{"schema_version":"secwatch.filing_event.v1","accession":"0001514416-21-000273","form_type":"8-K","ticker":"BAND","cik":"0001514416","company_name":"Bandwidth Inc.","filed_at":"2021-10-06T23:59:59+00:00","discovered_at":"2026-05-14T18:04:12.822101+00:00","generated_at":"2026-06-28T22:34:31.944932+00:00","sec_items":["7.01","9.01"],"event_type":"cyber","sentiment":"negative","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Bandwidth discloses DDoS attack starting Sept 25; expects $0.5M-$1.5M Q3 revenue hit","bullets":["DDoS attack began Sept 25, 2021; network largely stable since evening Sept 29 but with intermittent disruptions.","Estimated revenue impact of $0.5M to $1.5M for Q3 2021 due to lost transaction volume and customer credits.","Mitigation efforts with leading cybersecurity firms are proving successful; collaboration with customers and partners.","Status updates available at https://status.bandwidth.com; investigation still in early stages."],"urls":{"canonical":"https://secwatch.observer/filing/0001514416-21-000273","json":"https://secwatch.observer/filing/0001514416-21-000273.json","markdown":"https://secwatch.observer/filing/0001514416-21-000273.md","text":"https://secwatch.observer/filing/0001514416-21-000273.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1514416/000151441621000273/0001514416-21-000273-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1514416/000151441621000273/band-20211005.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T22:34:31.944932+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}